Lubricator



(No Model.) 2 Sheets-Sheet 1@ G. W. MILLS..

LUBRIGATOR. No. 325,264. Patented Sept. 1, 1885 mwnjm'.

2 Sheets-Sheer; 2,

0. W. MILLS.

LUBRIGATOR.

No. 325,264. Patented Sept; 1, 1885.

UNTTn STATES PATENT OFFICE.

CHAUNCEY XV. MILLS, OF ROCHESTER, NEV YORK.

LUBRICATOR.

filPECIFKCATION forming part of Letters Patent No. 325,264, dated September 1, 1885.

Application filed January 22, 1855.

$0 aZZ whom it may concern:

Be it known that I, GHAUNCEY W. Nuts, a citizen of the United States, residing at Rochester, Monroe county, New York, have invented new and useful Improvements in Lubricators, of which the following is a specification.

This invention relates to lubricating-cups for stationary and moving objects; and it con sists in the combination of an oil holder or reservoir having a cone-shaped projection or nipple on its bottom with a verticallyadjustable stem having a cone-shaped valve at its lower end which fits on the cone'shaped nipple and can be adjusted up and down on the same. The cone-shaped valve can be raised and lowered so as to vary the space between it and the stationary nipple or cone, and allow more or less oil to ascend between said nipple and valve,according to the amount to be supplied to the bearing or other object through a vertical bore opening out through the apex of the cone or nipple.

The invention also consists in certain details of construction and arrangement, which will be hereinafter more fully described, and then set forth in the claims.

In the drawings, Figure 1 is a vertical sectional view of a lubricator adapted for moving objects and embodying myimprovemeuts. Fig. 2 is a detail view of the valve and valvestei'n, the set-nut thereof and the top cap of the lubricator-shell having a screw-threaded opening for receiving the valvestem. Fig. 3 is a vertical sectional view of a lubricator embodying myimprovements. Fig. 4 is a detail view of a lifting-sleeve that is inovably held in the cap of the lubricator-shell and receives the valve-stern, as shown. Fig. 5 is a modification of my invention.

The reference-numeral 1 designates the metallic shell or casing of a lubricating cup which has its bottom plate, 2, formed with a cone-shaped projection or nipple, 2, projecting from the upper side of said plate. The cone 2 provided with a vertical opening which leads out through the apex thereof and communicates at its lower end with the bore or passage 3 leading through the attaching shank or neck 4: of the lubricator to the shafthearing or the object to be supplied with oil. The shell of the lubricator is provided with (No model.)

apertures in the customary manner, and incloses a glass cup or shell, 5, which is made either in the form of an open-ended cylinder, or is provided with a body portion and a bottom plate that has a central opening through which the cone 2 projects. The shell 1 of the lubricator is provided with an upper exterior screw -thread, which receives the threaded and flanged cap-plate 6. As shown in Figs. 1 and 2, a screw-threaded opening is made in said cap-plate for the passage of a valve-stem or spindle which can be adjusted or moved up and down in said opening. This valvestem or spindle is made in two parts, 7 and S, of which the upper part, 7, is provided with an exterior screw-thread that engages with the screw-socket in the cap plate 6. Said screw-threaded portion of the stem is also pro vided with an end head or fixed collar, 9, and

with an axial bore or chamber, 10. The latter receives a stem-valve, 11, which is encircled by a spiral spring, 12, and is pressed into a seat formed in the apertured collar, 9. The lower portion of the valve stem or spindle is preferably made of a biconical shape, or of two frustums of cones joined together at their apices, the upper cone portion being provided with a screw-threaded neck, 18, which fits int-o ascrew-socket in the lower end of the upper part, 8, of the valve-stem. The bottom of the lower portion of the valve stem is shaped into a valve by forming therein a flan ing or cone shaped opening, 14, that c011- forms to the cone or nipple 2 rising from the bottom plate of the lubricator-shell. In other words, the valve 14 surrounds the cone 2 and fits closely thereon when it is in its lowermost position, to prevent thereby the passage of oil from the oil-cup to the discharge-opening in the cone. \Vhen the sleeve is raised slightly, a small amount of oil is caused to ascend between the same and the cone, such oil finding its discharge through the bore in the latter, and when more oil is to be supplied to the bearing or other object the valve is raised still higher, so as to increase the size of the space between the valve and the cone. Thus by properly adjusting the valve the discharge of the oil can be graduated, and by causing the oil to flow in an upward direction from the bottom of the lnbricator-eup sediment or grit will not be carried away with the oil or into the oilway, clogging it up, as will readilybe apparent. The valve-stem is held in its adjusted position by means of a jam-nut,.

for admitting air into the oil-chamber, allowing air to escape therefrom.

stationary objects, reference being bad to Figs.

3 and 4., wherein the numeral 20 designates a sleeve or collar, which has a hub portion, 21, that fits into a smooth bore opening in the capplate 6 of the lubricator. The sleeve or collar 20 encircles the valve stem or spindle, the screw-threaded portion of the latter being in this instance fitted in a screw-threaded opening in the collar 20, instead of passing through an opening in the cap-plate 6. The valvestem is also encircled by a spiral, 23, which exerts a constant pressure between a shoulder on said stem and the under side of the cap plate 6, whereby the valve is pressed down upon the cone when the sleeve or collar is released from a lug or dowel-pin, 25, on the capplate 6. On the under side of the sleeve or collar two cavities, 24, of varying depth, are made in the shallowest cavity, servingto hold the sleeve 20 in a raised position, so as to allow the discharge of oil to take place in a sufficient quantity. As shown in Fig. 5, the sleeve 20 is adjusted by the valve-spindle and the janrnut 28, said figure also exhibiting the oil-cup shell, formed in one piece with the bottom plate, 2, and showing horizontal oilducts in the nipple'3, leading into the vertical discharge-bore.

Referring to theconstruction shown in Fig.

3, it is evident that when the sleeve 20 is lifted and rotated to bring the dowel-pininline with the deeper cavity the spring forces the sleeve down toward the cap-plate, pressing the bottom part of the spindle or valve upon the cone or nipple at the bottom of the lubricator for the purpose of shutting off the discharge of oil when the lubricator is not in use.

\Vhat I claim is- 1. The combination, in a lubricator, of an oil-reservoir provided at its bottom with a conical nipple having an aperture extending vertically from its apex with a verticallyadjustable stem having a conical cavity in its lower end to fit over the conical nipple, and thereby force the oil to rise between the exterior surface of the nipple and the interior sur- "face of the cavity in its passage to the upper end of the discharge-aperture in the nipple,

i substantially-as described.

The construction above recited is specially adapted for moving objects-such as parallel rods of locomotives-and I will now describe a construction used on oil'cups disposed on 2. In a lubricator, the combination of the vertieal'lyadjustable valve stem or spindle made in two parts, the filling-valve fitted in an oilway of said valve-stem, and the openings leading from said oilway, with the coneshaped valve in the top of the valve-stem, and the oil-cup having a cone-shaped bottom projection or nipple, and the cap-plate adapted to receive the valve-stein, substantially as described.

3. In a lubricator, the combination of the lifting-sleeve and the SPIlIJg'GDOlIClBd valvesteni, and its valve carried by said sleeve, and the cap-plate having an opening for the reception of the lifting-sleeve, with the oil-cup, and the bottom plate having a cone-shaped projection provided with a discharge-opening, substantially as described.

4. In a lubricator, the combination of the screw-threaded valve-stem having a bottom cone-valve and an upper jam-nut, with the oil icup having a screw-threaded aperture for the valve-stem, and a bottom cone surrounded by the cone-valve, substantially as described.

5. In a lubricator, the combination of a ridgeddowel-pin in the top of the oil-cup, and a lifting-sleeve having cavities of varying depths for the purpose of regulating the flow of oil, substantially as'described.

In testimony whereof I affix my signature in :00

presence of two witnesses.

OHAUNOEY W. MILLS.

\Vitnesses:

WM. E. ORAIB, WM. H. FARRAND. 

